Sorry I was not clear. This protocol is consumed by USB Device Drivers that follow UEFI driver model. Protocol returns the UsbIo instances that belong to the USB association, these UsbIo's are consumed by the USB Device Driver. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#120951): https://edk2.groups.io/g/devel/message/120951 Mute This Topic: https://groups.io/mt/110417824/7686176 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io] -=-=-=-=-=-=-=-=-=-=-=-